490  
SXUS45 KMSO 212330  
RECGPI  
 
RECREATION FORECAST FOR FLATHEAD LAKE  
NATIONAL WEATHER SERVICE MISSOULA MT  
505 PM MDT SUN JUN 21 2026  
 
NOTE: THE EXPERIMENTAL WAVE HEIGHT FORECASTS ARE REPRESENTATIVE OF  
THE MID LAKE WATERS AND DOWNWIND SHORES. WAVE HEIGHTS MAY BE  
SIGNIFICANTLY LESS ON UPWIND SHORES.  
   
TONIGHT
 
PARTLY CLOUDY. A 20 PERCENT CHANCE OF RAIN EARLY IN  
THE EVENING. LOWS IN THE LOWER 50S. VARIABLE WINDS UP TO 10 MPH.  
WAVES LESS THAN 1 FOOT.    
MONDAY
 
MOSTLY SUNNY. A 20 PERCENT CHANCE OF THUNDERSTORMS IN  
THE AFTERNOON. HIGHS IN THE UPPER 60S. VARIABLE WINDS UP TO  
10 MPH. WAVES LESS THAN 1 FOOT.    
MONDAY NIGHT
 
MOSTLY CLEAR. LOWS AROUND 50 . VARIABLE WINDS UP  
TO 10 MPH. WAVES LESS THAN 1 FOOT.    
TUESDAY
 
SUNNY. HIGHS IN THE LOWER 70S. VARIABLE WINDS UP TO  
10 MPH. WAVES LESS THAN 1 FOOT.  
 
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